Andrew's git / gitweb.git /
cfd1f23a119fa3ac30304506f54ab50f8073b71f
   1#!/bin/sh
   2
   3test_description='see how we handle various forms of corruption'
   4. ./test-lib.sh
   5
   6# convert "1234abcd" to ".git/objects/12/34abcd"
   7obj_to_file() {
   8        echo "$(git rev-parse --git-dir)/objects/$(git rev-parse "$1" | sed 's,..,&/,')"
   9}
  10
  11# Convert byte at offset "$2" of object "$1" into '\0'
  12corrupt_byte() {
  13        obj_file=$(obj_to_file "$1") &&
  14        chmod +w "$obj_file" &&
  15        printf '\0' | dd of="$obj_file" bs=1 seek="$2" conv=notrunc
  16}
  17
  18test_expect_success 'setup corrupt repo' '
  19        git init bit-error &&
  20        (
  21                cd bit-error &&
  22                test_commit content &&
  23                corrupt_byte HEAD:content.t 10
  24        )
  25'
  26
  27test_expect_success 'setup repo with missing object' '
  28        git init missing &&
  29        (
  30                cd missing &&
  31                test_commit content &&
  32                rm -f "$(obj_to_file HEAD:content.t)"
  33        )
  34'
  35
  36test_expect_success 'streaming a corrupt blob fails' '
  37        (
  38                cd bit-error &&
  39                test_must_fail git cat-file blob HEAD:content.t
  40        )
  41'
  42
  43test_expect_success 'read-tree -u detects bit-errors in blobs' '
  44        (
  45                cd bit-error &&
  46                rm -f content.t &&
  47                test_must_fail git read-tree --reset -u HEAD
  48        )
  49'
  50
  51test_expect_success 'read-tree -u detects missing objects' '
  52        (
  53                cd missing &&
  54                rm -f content.t &&
  55                test_must_fail git read-tree --reset -u HEAD
  56        )
  57'
  58
  59test_done